How we guarantee predictions are never edited

Every pick is written once, timestamped before kickoff, and graded automatically. Nothing is changed after the fact — and here's how you can verify that.

The entire value of a public AI scoreboard collapses the moment anyone can quietly edit a losing pick into a winner. So we built the system so that can't happen — and so you don't have to take our word for it.

Write once, before kickoff

A prediction is created and timestamped before the match starts, then sealed. We don't expose any "edit pick" path — not in the product, not in the admin. The pick you see is the pick that was made.

Graded by results, not by us

Grading is automatic: when the match settles, the official result decides won / lost / void. No human marks a pick. There's no judgement call to lean on.

Verifiable inputs

Each pick carries the SHA-256 hash of the exact brief the model received. If even one character of that brief changed, the hash would change — so identical hashes prove identical, untampered inputs. You can view the full prompt and its hash on any match page under "Verifiable brief".

Put plainly: picks are immutable, timestamped before the event, graded on official results, and cryptographically tied to their inputs. The record is the real record — wins and losses both.

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